Improvement in anti-friction compounds



UNITED STATES PATENT OFFICE.

CARL C. F. OTTO, OF SYRACUSE, NEW YORK, ASSIGNOR OF ONE-HALF HIS I RIGHTTO B. DAVIS NOXON, OF SAME PLACE.

IMPROVEMENT IN ANTI-FRICTION COMPOUNDS.

Specification forming part of Letters Patent No. 169,03 1, dated October19, 1875 application filed September 29, 1875.

To all whom it may concern: v

Be it known that I, CARL C. F. OTTO, of Syracuse, in the county ofOnondaga and State of New York. have in vented a new and useful Compoundcalled Anti-Friction Composition, which compound is fully described inthe following specification:

This invention relates to that'class of compounds used i'or bearings forrailroad-car and locomotive journals, and journals used in the workingof machinery, and in the manufacture thereof; and it consists in acomposition formed by mixing bolus and glycerine, plumhago, asbestus,manila-pulp, soap-stone, glue, and condensed linseed-oil.

To prepare the antifriction composition, take equal parts bolus andglycerine and plumbago, and onetourth ofsoap-stone/mixed with water;this to be dried and pulverized. Then dissolve a sufficient quantity ofthe glue. Mix it with one hundred parts of the condensed linseed-oil.The pulp is one-tenth of the whole mass. It is to be squeezed, andwashed with alcohol to replace the water. Asbestus is a fiber, which isto be added to the manila-pulp, the asbestus governing the hardness orsoftness of the anti-friction composition, according to quantity used.The pulp and glue are to be mixed (hot) together with the linseed-oil.Then all of the ingredients are put together and worked into theconsistency of potters clay; then it is molded in plaster molds, andcompressed into the required forms in an ordinary press worked with ascrew.

I claim- A compound consisting of bolus and glycerine, plumbago,asbestus, manila-pulp, soapstone, glue, and condensed linseed-oil,treated in the manner described.

s CARL O. F. OTTO.

' Witnesses:

HENRY NoxoN, STANLEY BAGG.

